fix(vd): fail with error on insufficient PVC size

[loktev-d]

Description

When importing VirtualDisk from VirtualImage or ClusterVirtualImage, if PVC size is insufficient, set phase to Failed with error message in Ready condition instead of hanging in Pending without errors.

Why do we need it, and what problem does it solve?

To provide clear, immediate feedback to users when a VD configuration error occurs during import from a VI or a CVI

What is the expected result?

Checklist

• The code is covered by unit tests.
• e2e tests passed.
• Documentation updated according to the changes.
• Changes were tested in the Kubernetes cluster manually.

Changelog entries

section: vd
type: fix
summary: Fail with error on insufficient PVC size

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